WASHINGTON — Effective Space Solutions, a company developing spacecraft that can extend the lives of telecommunications satellites, has arranged to launch its first two spacecraft on a Russian Proton rocket in 2020. International Launch Services (ILS), the U.S.-based commercial arm of Proton’s manufacturer Khrunichev, is facilitating the launch, ILS announced March 12. U.K.-based Effective Space is building life-extension spacecraft called Space Drones that have a mass of 400 kilograms each. The two Space Drones launching on Proton will reach orbit via rideshare, piggybacking on a mission with a larger customer,…